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U. S. GOVERNMENT SECURITIES (Tables)
 12 Months Ended
Jan. 31, 2013
U. S. GOVERNMENT SECURITIES  
Schedule of U.S. government securities classified as held-to-maturity

 

 

 

 

2013

 

2012

 

 

 

Carrying

 

 

 

Carrying

 

 

 

 

 

Value

 

Fair Value

 

Value 

 

Fair Value

 

 

 

 

 

 

 

 

 

 

 

Due within one year

 

$

438,815

 

$

439,065

 

$

—

 

$

—

 

 

 

 

 

 

 

 

 

 

 

Due after one year through three years

 

205,055

 

204,925

 

473,816

 

474,404

 

 

 

 

 

 

 

 

 

 

 

 

 

$

643,870

 

$

643,990

 

$

473,816

 

$

474,404